Behind-Ear Design: Lightweight Bluetooth Earbuds can be adjust, Behind-Ear Streamline Outlook Flexible Neckband Design Guarantee 100% Stable and Comfortable,best Wireless headphones perfect fit for running/cycling/exercising/gym
Single Button Operation: Adopt One-Button design make wireless earbuds simple to control music and calls. Press 2s to play next song and short press to increase the volume, it can increase 5 times. You will enjoy different levels stereo sounds
Battery Endurance: built-in 150mAh lithium-ion polymer battery, up to 320 hrs of stand-by,up to 10 hrs of talking / music time,Best bluetooth headphones Provide you more time for running. COULAX Headphones provide 12-month Worry-Free warranty
Perfect Hi-Fi Stereo Sound: Headphones built-in HD Mic with CVC6.0 noise cancellation, ensure Stereo Music Sound and Strong Signal. Best workout Bluetooth headphones Let you enjoy high quality and clear voice in noisy environment like running
Advanced Technology: Headset Adopt Latest Bluetooth V4.1 compatible with 99% bluetooth devices, Easy and fast pairing, sports headphones can connect 2 mobile at the same time with 10-meter working distance

Technical Details

Size (LWH): 5.3 inches, 5.3 inches, 1.22 inches
Product Details
Product Dimensions: 5.3 x 5.3 x 1.22 inches
Shipping Weight: 0.44 pounds (View shipping rates and policies)
ASIN : B016DISFPY